@import url("https://fonts.googleapis.com/css?family=Lora:700");
@import url("https://fonts.googleapis.com/css?family=Open+Sans");
:root {
  --z-distance: 8.519vw;
  --from-left: 1;
  --mobile-bkp: 650px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  /*min-height: 100vh;*/
  margin: 0;
  padding: 0;
  /*overflow: hidden;*/
  overflow-x: hidden;
  font-family: Lora, serif;
  font-size: calc(14px + .3vw);
}

.slider {
  width: 100vw;
  height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-perspective: 1000px;
          perspective: 1000px;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}
.slider::before, .slider::after {
  content: '';
  left: -1vw;
  top: -1vh;
  display: block;
  position: absolute;
  width: 102vw;
  height: 102vh;
  background-position: center;
  background-size: cover;
  will-change: opacity;
  z-index: -1;
  box-shadow: 0 0 0 50vmax rgba(0, 0, 0, 0.7) inset;
}
.slider::before {
  background-image: var(--img-prev);
}
.slider::after {
  -webkit-transition: opacity 0.7s;
  transition: opacity 0.7s;
  opacity: 0;
  background-image: var(--img-next);
}
.slider--bg-next::after {
  opacity: 1;
}
.slider__content {
  margin: auto;
  width: 65vw;
  height: 32.5vw;
  max-height: 60vh;
  will-change: transform;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  pointer-events: none;
  -webkit-transform: translateZ(var(--z-distance));
          transform: translateZ(var(--z-distance));
}
.slider__images {
  overflow: hidden;
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
  box-shadow: 0 0 5em #000;
}
.slider__images-item {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  will-change: transform;
  -webkit-transition-timing-function: ease-in;
          transition-timing-function: ease-in;
  visibility: hidden;
}
.slider__images-item img {
  display: block;
  position: relative;
  left: -1em;
  top: -1em;
  width: calc(100% + 1em * 2);
  height: calc(100% + 1em * 2);
  -o-object-fit: cover;
     object-fit: cover;
  will-change: transform;
}
.slider__images-item--active {
  z-index: 20;
  visibility: visible;
}
.slider__images-item--subactive {
  z-index: 15;
  visibility: visible;
}
.slider__images-item--next {
  -webkit-transform: translateX(100%);
          transform: translateX(100%);
}
.slider__images-item--prev {
  -webkit-transform: translateX(-100%);
          transform: translateX(-100%);
}
.slider__images-item--transit {
  -webkit-transition: opacity 0.7s, -webkit-transform 0.7s;
  transition: opacity 0.7s, -webkit-transform 0.7s;
  transition: transform 0.7s, opacity 0.7s;
  transition: transform 0.7s, opacity 0.7s, -webkit-transform 0.7s;
}
.slider__text {
  position: relative;
  height: 100%;
}
.slider__text-item {
  position: absolute;
  width: 100%;
  height: 100%;
  padding: 0.5em;
  -webkit-perspective: 1000px;
          perspective: 1000px;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}
.slider__text-item > * {
  overflow: hidden;
  position: absolute;
}
.slider__text-item h3, .slider__text-item p {
  -webkit-transition: -webkit-transform 0.35s ease-out;
  transition: -webkit-transform 0.35s ease-out;
  transition: transform 0.35s ease-out;
  transition: transform 0.35s ease-out, -webkit-transform 0.35s ease-out;
  line-height: 1.5;
  overflow: hidden;
}
.slider__text-item h3 {
  background-color: rgba(255, 255, 255, 0.5);
}
.slider__text-item p {
  font-family: 'Open Sans', sans-serif;
  padding: 1em;
  color: white;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.5);
}
.slider__text-item h3::before, .slider__text-item p::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-transform: translateX(0);
          transform: translateX(0);
  -webkit-transition: -webkit-transform 0.35s ease-out 0.28s;
  transition: -webkit-transform 0.35s ease-out 0.28s;
  transition: transform 0.35s ease-out 0.28s;
  transition: transform 0.35s ease-out 0.28s, -webkit-transform 0.35s ease-out 0.28s;
}
.slider__text-item h3::before {
  background-color: #000;
}
.slider__text-item p::before {
  background-color: #fff;
}
.slider__text-item h3 {
  margin: 0;
  font-size: 3.5em;
  padding: 0 .3em;
  position: relative;
  font-weight: 700;
  -webkit-transform: translateX(-100%);
          transform: translateX(-100%);
}
.slider__text-item p {
  margin: 0;
  -webkit-transform: translateX(100%);
          transform: translateX(100%);
}
.slider__text-item-head {
  top: -0.5em;
  -webkit-transform: translateZ(3em);
          transform: translateZ(3em);
  -webkit-clip-path: polygon(0 0, 0.5em 100%, 100% 100%, calc(100% - .3em) 0.3em);
          clip-path: polygon(0 0, 0.5em 100%, 100% 100%, calc(100% - .3em) 0.3em);
}
.slider__text-item-info {
  bottom: 0;
  right: 0;
  max-width: 75%;
  min-width: -webkit-min-content;
  min-width: -moz-min-content;
  min-width: min-content;
  -webkit-transform: translateZ(2em);
          transform: translateZ(2em);
  -webkit-clip-path: polygon(0.5em 0, 100% 0%, calc(100% - .5em) 100%, 0 calc(100% - .5em));
          clip-path: polygon(0.5em 0, 100% 0%, calc(100% - .5em) 100%, 0 calc(100% - .5em));
}
.slider__text-item--active h3, .slider__text-item--active p {
  -webkit-transform: translateX(0);
          transform: translateX(0);
}
.slider__text-item--active h3::before {
  -webkit-transform: translateX(100%);
          transform: translateX(100%);
}
.slider__text-item--active p::before {
  -webkit-transform: translateX(-100%);
          transform: translateX(-100%);
}
.slider__text-item--backwards h3::before, .slider__text-item--backwards p::before {
  -webkit-transition: -webkit-transform 0.35s ease-in;
  transition: -webkit-transform 0.35s ease-in;
  transition: transform 0.35s ease-in;
  transition: transform 0.35s ease-in, -webkit-transform 0.35s ease-in;
}
.slider__text-item--backwards h3, .slider__text-item--backwards p {
  -webkit-transition: -webkit-transform 0.35s ease-in 0.35s;
  transition: -webkit-transform 0.35s ease-in 0.35s;
  transition: transform 0.35s ease-in 0.35s;
  transition: transform 0.35s ease-in 0.35s, -webkit-transform 0.35s ease-in 0.35s;
}
.slider__nav {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  text-align: center;
}
.slider__nav-arrows {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.slider__nav-arrow {
  height: 100vh;
  width: 50vw;
  text-indent: -9999px;
  white-space: nowrap;
}
.slider__nav-arrow--left {
  --arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 4 4'%3E %3Cpolyline points='3 1 1 2 3 3' stroke='white' stroke-width='.3' stroke-opacity='.5' fill='none'%3E%3C/polyline%3E %3C/svg%3E");
  cursor: var(--arrow) 40 40, auto;
}
.slider__nav-arrow--right {
  --arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 4 4'%3E %3Cpolyline points='1 1 3 2 1 3' stroke='white' stroke-width='.3' stroke-opacity='.5' fill='none'%3E%3C/polyline%3E %3C/svg%3E");
  cursor: var(--arrow) 40 40, auto;
}
.slider__nav-dots {
  margin-top: 88vh;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  position: relative;
  padding: 1em;
  pointer-events: none;
}
.slider__nav-dots::before {
  content: '';
  position: absolute;
  left: calc(1em + 1em + 2px);
  top: calc(1em + 2px);
  width: calc(1em - 2px * 2);
  height: calc(1em / 2 - 2px * 2);
  background-color: rgba(255, 255, 255, 0.9);
  -webkit-transition: -webkit-transform 0.7s ease-out;
  transition: -webkit-transform 0.7s ease-out;
  transition: transform 0.7s ease-out;
  transition: transform 0.7s ease-out, -webkit-transform 0.7s ease-out;
  -webkit-transform: translateX(calc((1em + 1em * 2) * (var(--from-left) - 1)));
          transform: translateX(calc((1em + 1em * 2) * (var(--from-left) - 1)));
}
.slider__nav-dot {
  margin: 0 1em;
  width: 1em;
  height: 0.5em;
  border: 2px solid rgba(255, 255, 255, 0.5);
  /* 
    The cursor is not the default one because of a weird bug 
    related to custom cursors above
  */
  cursor: crosshair;
  pointer-events: all;
  display: inline-block;
}
.slider__nav-dot:hover {
  border-color: rgba(255, 255, 255, 0.7);
}
.slider__nav-dot:active {
  border-color: rgba(255, 255, 255, 0.5);
}

@media only screen and (max-width: 650px) {
  .slider::before,
  .slider::after {
    display: none;
  }

  .slider__content {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
  }

  .slider__text-item-info {
    bottom: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, 50%);
            transform: translate(-50%, 50%);
  }
  .slider__text-item-info p {
    padding: 1em .8em;
  }

  .slider__text-item-head {
    top: 5vh;
    left: 10vw;
    -webkit-transform: translateZ(0);
            transform: translateZ(0);
  }
  .slider__text-item-head h3 {
    font-size: 2.5em;
  }

  .slider__nav-dots {
    background-color: rgba(0, 0, 0, 0.3);
  }

  .slider__nav-arrow {
    width: 10vw;
    position: relative;
    cursor: auto;
  }
  .slider__nav-arrow:active {
    -webkit-filter: brightness(0.5);
            filter: brightness(0.5);
  }
  .slider__nav-arrow::before {
    content: '';
    background-image: var(--arrow);
    background-size: cover;
    width: 8vw;
    height: 8vw;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
  }
  .slider__nav-arrow--left {
    background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, 0.7) 0, transparent 100%);
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0.7) 0, transparent 100%);
  }
  .slider__nav-arrow--left:active {
    background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, 0.9) 0, transparent 100%);
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0.9) 0, transparent 100%);
  }
  .slider__nav-arrow--right {
    background-image: -webkit-linear-gradient(right, rgba(0, 0, 0, 0.7) 0, transparent 100%);
    background-image: linear-gradient(to left, rgba(0, 0, 0, 0.7) 0, transparent 100%);
  }
  .slider__nav-arrow--right:active {
    background-image: -webkit-linear-gradient(right, rgba(0, 0, 0, 0.9) 0, transparent 100%);
    background-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0, transparent 100%);
  }
}
